1 // trafficrecord.cxx - Implementation of AIModels ATC code.
3 // Written by Durk Talsma, started September 2006.
5 // Copyright (C) 2006 Durk Talsma.
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
30 #include <osg/Geometry>
31 #include <osg/MatrixTransform>
34 #include <simgear/scene/material/EffectGeode.hxx>
35 #include <simgear/scene/material/matlib.hxx>
36 #include <simgear/scene/material/mat.hxx>
37 #include <Scenery/scenery.hxx>
39 #include "trafficcontrol.hxx"
40 #include "atc_mgr.hxx"
41 #include <AIModel/AIAircraft.hxx>
42 #include <AIModel/AIFlightPlan.hxx>
43 #include <AIModel/performancedata.hxx>
44 #include <AIModel/performancedb.hxx>
45 #include <ATC/atc_mgr.hxx>
46 #include <Traffic/TrafficMgr.hxx>
47 #include <Airports/groundnetwork.hxx>
48 #include <Airports/dynamics.hxx>
49 #include <Airports/simple.hxx>
53 /***************************************************************************
55 **************************************************************************/
56 time_t ActiveRunway::requestTimeSlot(time_t eta)
59 time_t separation = 90;
61 if (estimatedArrivalTimes.size() == 0) {
62 estimatedArrivalTimes.push_back(eta);
65 TimeVectorIterator i = estimatedArrivalTimes.begin();
66 //cerr << "Checking eta slots " << eta << ": " << endl;
67 for (i = estimatedArrivalTimes.begin();
68 i != estimatedArrivalTimes.end(); i++) {
69 //cerr << "Stored time : " << (*i) << endl;
71 i = estimatedArrivalTimes.begin();
72 if ((eta + separation) < (*i)) {
75 //cerr << "Storing at beginning" << endl;
77 while ((i != estimatedArrivalTimes.end()) && (!found)) {
78 TimeVectorIterator j = i + 1;
79 if (j == estimatedArrivalTimes.end()) {
80 if (((*i) + separation) < eta) {
81 //cerr << "Storing at end" << endl;
84 newEta = (*i) + separation;
85 //cerr << "Storing at end + separation" << endl;
88 if ((((*j) - (*i)) > (separation * 2))) { // found a potential slot
89 // now check whether this slot is usable:
90 // 1) eta should fall between the two points
91 // i.e. eta > i AND eta < j
93 //cerr << "Found potential slot after " << (*i) << endl;
94 if (eta > (*i) && (eta < (*j))) {
96 if (eta < ((*i) + separation)) {
97 newEta = (*i) + separation;
98 //cerr << "Using original" << (*i) << " + separation " << endl;
101 //cerr << "Using original after " << (*i) << endl;
103 } else if (eta < (*i)) {
105 newEta = (*i) + separation;
106 //cerr << "Using delayed slot after " << (*i) << endl;
109 if (((*j) - separation) < eta) {
111 if (((*i) + separation) < eta) {
113 cerr << "Using original after " << (*i) << endl;
115 newEta = (*i) + separation;
116 cerr << "Using " << (*i) << " + separation " << endl;
124 //cerr << ". done. New ETA : " << newEta << endl;
126 estimatedArrivalTimes.push_back(newEta);
127 sort(estimatedArrivalTimes.begin(), estimatedArrivalTimes.end());
128 // do some housekeeping : remove any timestamps that are past
129 time_t now = time(NULL) + fgGetLong("/sim/time/warp");
130 TimeVectorIterator i = estimatedArrivalTimes.begin();
131 while (i != estimatedArrivalTimes.end()) {
133 //cerr << "Deleting timestamp " << (*i) << " (now = " << now << "). " << endl;
134 estimatedArrivalTimes.erase(i);
135 i = estimatedArrivalTimes.begin();
143 /***************************************************************************
145 **************************************************************************/
146 FGTrafficRecord::FGTrafficRecord():
147 id(0), waitsForId(0),
152 allowTransmission(true),
153 latitude(0), longitude(0), heading(0), speed(0), altitude(0), radius(0)
157 void FGTrafficRecord::setPositionAndIntentions(int pos,
158 FGAIFlightPlan * route)
162 if (intentions.size()) {
163 intVecIterator i = intentions.begin();
165 SG_LOG(SG_GENERAL, SG_ALERT,
166 "Error in FGTrafficRecord::setPositionAndIntentions");
167 //cerr << "Pos : " << pos << " Curr " << *(intentions.begin()) << endl;
168 for (intVecIterator i = intentions.begin();
169 i != intentions.end(); i++) {
170 //cerr << (*i) << " ";
176 //FGAIFlightPlan::waypoint* const wpt= route->getCurrentWaypoint();
177 int size = route->getNrOfWayPoints();
178 //cerr << "Setting pos" << pos << " ";
179 //cerr << "setting intentions ";
180 for (int i = 0; i < size; i++) {
181 int val = route->getRouteIndex(i);
183 if ((val) && (val != pos)) {
184 intentions.push_back(val);
189 //while (route->next(&legNr, &routeNr)) {
190 //intentions.push_back(routeNr);
192 //route->rewind(currentPos);
197 * Check if another aircraft is ahead of the current one, and on the same
198 * return true / false is the is/isn't the case.
200 ****************************************************************************/
202 bool FGTrafficRecord::checkPositionAndIntentions(FGTrafficRecord & other)
205 //cerr << "Start check 1" << endl;
206 if (currentPos == other.currentPos) {
207 //cerr << callsign << ": Check Position and intentions: we are on the same taxiway" << other.callsign << "Index = " << currentPos << endl;
210 // else if (other.intentions.size())
212 // cerr << "Start check 2" << endl;
213 // intVecIterator i = other.intentions.begin();
214 // while (!((i == other.intentions.end()) || ((*i) == currentPos)))
216 // if (i != other.intentions.end()) {
217 // cerr << "Check Position and intentions: current matches other.intentions" << endl;
220 else if (intentions.size()) {
221 //cerr << "Start check 3" << endl;
222 intVecIterator i = intentions.begin();
223 //while (!((i == intentions.end()) || ((*i) == other.currentPos)))
224 while (i != intentions.end()) {
225 if ((*i) == other.currentPos) {
230 if (i != intentions.end()) {
231 //cerr << callsign << ": Check Position and intentions: .other.current matches" << other.callsign << "Index = " << (*i) << endl;
235 //cerr << "Done !!" << endl;
239 void FGTrafficRecord::setPositionAndHeading(double lat, double lon,
240 double hdg, double spd,
250 int FGTrafficRecord::crosses(FGGroundNetwork * net,
251 FGTrafficRecord & other)
253 if (checkPositionAndIntentions(other)
254 || (other.checkPositionAndIntentions(*this)))
257 int currentTargetNode = 0, otherTargetNode = 0;
259 currentTargetNode = net->findSegment(currentPos)->getEnd()->getIndex(); // OKAY,...
260 if (other.currentPos > 0)
261 otherTargetNode = net->findSegment(other.currentPos)->getEnd()->getIndex(); // OKAY,...
262 if ((currentTargetNode == otherTargetNode) && currentTargetNode > 0)
263 return currentTargetNode;
264 if (intentions.size()) {
265 for (i = intentions.begin(); i != intentions.end(); i++) {
267 if ((currentTargetNode ==
268 net->findSegment(*i)->getEnd()->getIndex())) {
269 //cerr << "Current crosses at " << currentTargetNode <<endl;
270 return currentTargetNode;
275 if (other.intentions.size()) {
276 for (i = other.intentions.begin(); i != other.intentions.end();
279 if (otherTargetNode ==
280 net->findSegment(*i)->getEnd()->getIndex()) {
281 //cerr << "Other crosses at " << currentTargetNode <<endl;
282 return otherTargetNode;
287 if (intentions.size() && other.intentions.size()) {
288 for (i = intentions.begin(); i != intentions.end(); i++) {
289 for (j = other.intentions.begin(); j != other.intentions.end();
291 //cerr << "finding segment " << *i << " and " << *j << endl;
292 if (((*i) > 0) && ((*j) > 0)) {
294 net->findSegment(*i)->getEnd()->getIndex();
296 net->findSegment(*j)->getEnd()->getIndex();
297 if (currentTargetNode == otherTargetNode) {
298 //cerr << "Routes will cross at " << currentTargetNode << endl;
299 return currentTargetNode;
308 bool FGTrafficRecord::onRoute(FGGroundNetwork * net,
309 FGTrafficRecord & other)
311 int node = -1, othernode = -1;
313 node = net->findSegment(currentPos)->getEnd()->getIndex();
314 if (other.currentPos > 0)
316 net->findSegment(other.currentPos)->getEnd()->getIndex();
317 if ((node == othernode) && (node != -1))
319 if (other.intentions.size()) {
320 for (intVecIterator i = other.intentions.begin();
321 i != other.intentions.end(); i++) {
323 othernode = net->findSegment(*i)->getEnd()->getIndex();
324 if ((node == othernode) && (node > -1))
329 //if (other.currentPos > 0)
330 // othernode = net->findSegment(other.currentPos)->getEnd()->getIndex();
331 //if (intentions.size())
333 // for (intVecIterator i = intentions.begin(); i != intentions.end(); i++)
337 // node = net->findSegment(*i)->getEnd()->getIndex();
338 // if ((node == othernode) && (node > -1))
347 bool FGTrafficRecord::isOpposing(FGGroundNetwork * net,
348 FGTrafficRecord & other, int node)
350 // Check if current segment is the reverse segment for the other aircraft
352 //cerr << "Current segment " << currentPos << endl;
353 if ((currentPos > 0) && (other.currentPos > 0)) {
354 opp = net->findSegment(currentPos)->opposite();
356 if (opp->getIndex() == other.currentPos)
360 for (intVecIterator i = intentions.begin(); i != intentions.end();
362 if ((opp = net->findSegment(other.currentPos)->opposite())) {
364 if (opp->getIndex() ==
365 net->findSegment(*i)->getIndex()) {
366 if (net->findSegment(*i)->getStart()->getIndex() ==
369 //cerr << "Found the node " << node << endl;
375 if (other.intentions.size()) {
376 for (intVecIterator j = other.intentions.begin();
377 j != other.intentions.end(); j++) {
378 // cerr << "Current segment 1 " << (*i) << endl;
380 if ((opp = net->findSegment(*i)->opposite())) {
381 if (opp->getIndex() ==
382 net->findSegment(*j)->getIndex()) {
383 //cerr << "Nodes " << net->findSegment(*i)->getIndex()
384 // << " and " << net->findSegment(*j)->getIndex()
385 // << " are opposites " << endl;
386 if (net->findSegment(*i)->getStart()->
387 getIndex() == node) {
389 //cerr << "Found the node " << node << endl;
403 void FGTrafficRecord::setSpeedAdjustment(double spd)
405 instruction.setChangeSpeed(true);
406 instruction.setSpeed(spd);
409 void FGTrafficRecord::setHeadingAdjustment(double heading)
411 instruction.setChangeHeading(true);
412 instruction.setHeading(heading);
415 bool FGTrafficRecord::pushBackAllowed()
417 // With the user ATC / AI integration, checking whether the user's aircraft is near no longer works, because
418 // this will effectively block the user's aircraft itself from receiving pushback clearance.
419 // So, what can we do?
421 double course, az2, dist;
422 SGGeod curr(SGGeod::fromDegM(getLongitude(),
423 getLatitude(), getAltitude()));
425 double userLatitude = fgGetDouble("/position/latitude-deg");
426 double userLongitude = fgGetDouble("/position/longitude-deg");
427 SGGeod user(SGGeod::fromDeg(userLongitude, userLatitude));
428 SGGeodesy::inverse(curr, user, course, az2, dist);
429 //cerr << "Distance to user : " << dist << endl;
434 // In essence, we should check whether the pusbback route itself, as well as the associcated
435 // taxiways near the pushback point are free of traffic.
436 // To do so, we need to
442 /***************************************************************************
445 **************************************************************************/
446 FGATCInstruction::FGATCInstruction()
449 holdPosition = false;
451 changeHeading = false;
452 changeAltitude = false;
453 resolveCircularWait = false;
461 bool FGATCInstruction::hasInstruction()
463 return (holdPattern || holdPosition || changeSpeed || changeHeading
464 || changeAltitude || resolveCircularWait);
467 /***************************************************************************
470 **************************************************************************/
475 FGATCController::FGATCController()
477 //cerr << "running FGATController constructor" << endl;
480 lastTransmission = 0;
484 FGATCController::~FGATCController()
486 //cerr << "running FGATController destructor" << endl;
489 string FGATCController::getGateName(FGAIAircraft * ref)
491 return ref->atGate();
494 bool FGATCController::isUserAircraft(FGAIAircraft* ac)
496 return (ac->getCallSign() == fgGetString("/sim/multiplay/callsign")) ? true : false;
499 void FGATCController::transmit(FGTrafficRecord * rec, AtcMsgId msgId,
500 AtcMsgDir msgDir, bool audible)
502 string sender, receiver;
507 string atisInformation;
516 string transponderCode;
519 string instructionText;
522 sender = rec->getAircraft()->getTrafficRef()->getCallSign();
523 if (rec->getAircraft()->getTaxiClearanceRequest()) {
524 instructionText = "push-back and taxi";
526 instructionText = "taxi";
528 //cerr << "transmitting for: " << sender << "Leg = " << rec->getLeg() << endl;
529 switch (rec->getLeg()) {
532 freqId = rec->getNextFrequency();
534 rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
535 getDynamics()->getGroundFrequency(rec->getLeg() + freqId);
537 rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
538 getDynamics()->getGroundFrequency(2);
540 rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
541 getDynamics()->getTowerFrequency(2);
543 rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
544 getName() + "-Ground";
546 rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
547 getDynamics()->getAtisSequence();
551 rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
552 getName() + "-Tower";
555 // Swap sender and receiver value in case of a ground to air transmission
556 if (msgDir == ATC_GROUND_TO_AIR) {
562 case MSG_ANNOUNCE_ENGINE_START:
563 text = sender + ". Ready to Start up";
565 case MSG_REQUEST_ENGINE_START:
567 receiver + ", This is " + sender + ". Position " +
568 getGateName(rec->getAircraft()) + ". Information " +
569 atisInformation + ". " +
570 rec->getAircraft()->getTrafficRef()->getFlightRules() +
572 rec->getAircraft()->getTrafficRef()->getArrivalAirport()->
573 getName() + ". Request start-up";
575 // Acknowledge engine startup permission
576 // Assign departure runway
577 // Assign SID, if necessery (TODO)
578 case MSG_PERMIT_ENGINE_START:
579 taxiFreqStr = formatATCFrequency3_2(taxiFreq);
581 heading = rec->getAircraft()->getTrafficRef()->getCourse();
582 fltType = rec->getAircraft()->getTrafficRef()->getFlightType();
584 rec->getAircraft()->GetFlightPlan()->
585 getRunwayClassFromTrafficType(fltType);
587 rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
588 getDynamics()->getActiveRunway(rwyClass, 1, activeRunway,
590 rec->getAircraft()->GetFlightPlan()->setRunway(activeRunway);
591 fp = rec->getAircraft()->getTrafficRef()->getDepartureAirport()->
592 getDynamics()->getSID(activeRunway, heading);
593 rec->getAircraft()->GetFlightPlan()->setSID(fp);
595 SID = fp->getName() + " departure";
597 SID = "fly runway heading ";
599 //snprintf(buffer, 7, "%3.2f", heading);
600 fltRules = rec->getAircraft()->getTrafficRef()->getFlightRules();
601 transponderCode = genTransponderCode(fltRules);
602 rec->getAircraft()->SetTransponderCode(transponderCode);
604 receiver + ". Start-up approved. " + atisInformation +
605 " correct, runway " + activeRunway + ", " + SID + ", squawk " +
606 transponderCode + ". " +
607 "For "+ instructionText + " clearance call " + taxiFreqStr + ". " +
608 sender + " control.";
610 case MSG_DENY_ENGINE_START:
611 text = receiver + ". Standby";
613 case MSG_ACKNOWLEDGE_ENGINE_START:
614 fp = rec->getAircraft()->GetFlightPlan()->getSID();
617 rec->getAircraft()->GetFlightPlan()->getSID()->getName() +
620 SID = "fly runway heading ";
622 taxiFreqStr = formatATCFrequency3_2(taxiFreq);
623 activeRunway = rec->getAircraft()->GetFlightPlan()->getRunway();
624 transponderCode = rec->getAircraft()->GetTransponderCode();
627 receiver + ". Start-up approved. " + atisInformation +
628 " correct, runway " + activeRunway + ", " + SID + ", squawk " +
629 transponderCode + ". " +
630 "For " + instructionText + " clearance call " + taxiFreqStr + ". " +
633 case MSG_ACKNOWLEDGE_SWITCH_GROUND_FREQUENCY:
634 taxiFreqStr = formatATCFrequency3_2(taxiFreq);
635 text = receiver + ". Switching to " + taxiFreqStr + ". " + sender;
637 case MSG_INITIATE_CONTACT:
638 text = receiver + ". With you. " + sender;
640 case MSG_ACKNOWLEDGE_INITIATE_CONTACT:
641 text = receiver + ". Roger. " + sender;
643 case MSG_REQUEST_PUSHBACK_CLEARANCE:
644 if (rec->getAircraft()->getTaxiClearanceRequest()) {
645 text = receiver + ". Request push-back. " + sender;
647 text = receiver + ". Request Taxi clearance. " + sender;
650 case MSG_PERMIT_PUSHBACK_CLEARANCE:
651 if (rec->getAircraft()->getTaxiClearanceRequest()) {
652 text = receiver + ". Push-back approved. " + sender;
654 text = receiver + ". Cleared to Taxi." + sender;
657 case MSG_HOLD_PUSHBACK_CLEARANCE:
658 text = receiver + ". Standby. " + sender;
660 case MSG_REQUEST_TAXI_CLEARANCE:
661 text = receiver + ". Ready to Taxi. " + sender;
663 case MSG_ISSUE_TAXI_CLEARANCE:
664 text = receiver + ". Cleared to taxi. " + sender;
666 case MSG_ACKNOWLEDGE_TAXI_CLEARANCE:
667 text = receiver + ". Cleared to taxi. " + sender;
669 case MSG_HOLD_POSITION:
670 text = receiver + ". Hold Position. " + sender;
672 case MSG_ACKNOWLEDGE_HOLD_POSITION:
673 text = receiver + ". Holding Position. " + sender;
675 case MSG_RESUME_TAXI:
676 text = receiver + ". Resume Taxiing. " + sender;
678 case MSG_ACKNOWLEDGE_RESUME_TAXI:
679 text = receiver + ". Continuing Taxi. " + sender;
681 case MSG_REPORT_RUNWAY_HOLD_SHORT:
682 activeRunway = rec->getAircraft()->GetFlightPlan()->getRunway();
683 //activeRunway = "test";
684 text = receiver + ". Holding short runway "
688 //cerr << "1 Currently at leg " << rec->getLeg() << endl;
690 case MSG_ACKNOWLEDGE_REPORT_RUNWAY_HOLD_SHORT:
691 activeRunway = rec->getAircraft()->GetFlightPlan()->getRunway();
692 text = receiver + "Roger. Holding short runway "
696 //cerr << "2 Currently at leg " << rec->getLeg() << endl;
698 case MSG_SWITCH_TOWER_FREQUENCY:
699 towerFreqStr = formatATCFrequency3_2(towerFreq);
700 text = receiver + "Contact Tower at " + towerFreqStr + ". " + sender;
702 //cerr << "3 Currently at leg " << rec->getLeg() << endl;
704 case MSG_ACKNOWLEDGE_SWITCH_TOWER_FREQUENCY:
705 towerFreqStr = formatATCFrequency3_2(towerFreq);
706 text = receiver + "Roger, switching to tower at " + towerFreqStr + ". " + sender;
708 //cerr << "4 Currently at leg " << rec->getLeg() << endl;
712 text = text + sender + ". Transmitting unknown Message";
716 double onBoardRadioFreq0 =
717 fgGetDouble("/instrumentation/comm[0]/frequencies/selected-mhz");
718 double onBoardRadioFreq1 =
719 fgGetDouble("/instrumentation/comm[1]/frequencies/selected-mhz");
720 int onBoardRadioFreqI0 = (int) floor(onBoardRadioFreq0 * 100 + 0.5);
721 int onBoardRadioFreqI1 = (int) floor(onBoardRadioFreq1 * 100 + 0.5);
722 //cerr << "Using " << onBoardRadioFreq0 << ", " << onBoardRadioFreq1 << " and " << stationFreq << " for " << text << endl;
724 // Display ATC message only when one of the radios is tuned
725 // the relevant frequency.
726 // Note that distance attenuation is currently not yet implemented
727 if ((onBoardRadioFreqI0 == stationFreq)
728 || (onBoardRadioFreqI1 == stationFreq)) {
729 if (rec->allowTransmissions()) {
730 fgSetString("/sim/messages/atc", text.c_str());
734 FGATCManager *atc = (FGATCManager*) globals->get_subsystem("atc");
735 atc->getATCDialog()->addEntry(1, text);
740 string FGATCController::formatATCFrequency3_2(int freq)
743 snprintf(buffer, 7, "%3.2f", ((float) freq / 100.0));
744 return string(buffer);
747 // TODO: Set transponder codes according to real-world routes.
748 // The current version just returns a random string of four octal numbers.
749 string FGATCController::genTransponderCode(string fltRules)
751 if (fltRules == "VFR") {
752 return string("1200");
755 snprintf(buffer, 5, "%d%d%d%d", rand() % 8, rand() % 8, rand() % 8,
757 return string(buffer);
761 void FGATCController::init()
764 FGATCManager *mgr = (FGATCManager*) globals->get_subsystem("ATC");
765 mgr->addController(this);
770 /***************************************************************************
771 * class FGTowerController
773 **************************************************************************/
774 FGTowerController::FGTowerController(FGAirportDynamics *par) :
781 void FGTowerController::announcePosition(int id,
782 FGAIFlightPlan * intendedRoute,
783 int currentPosition, double lat,
784 double lon, double heading,
785 double speed, double alt,
786 double radius, int leg,
790 TrafficVectorIterator i = activeTraffic.begin();
791 // Search whether the current id alread has an entry
792 // This might be faster using a map instead of a vector, but let's start by taking a safe route
793 if (activeTraffic.size()) {
794 //while ((i->getId() != id) && i != activeTraffic.end()) {
795 while (i != activeTraffic.end()) {
796 if (i->getId() == id) {
802 // Add a new TrafficRecord if no one exsists for this aircraft.
803 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
807 rec.setPositionAndHeading(lat, lon, heading, speed, alt);
808 rec.setRunway(intendedRoute->getRunway());
810 //rec.setCallSign(callsign);
811 rec.setRadius(radius);
812 rec.setAircraft(ref);
813 activeTraffic.push_back(rec);
814 // Don't just schedule the aircraft for the tower controller, also assign if to the correct active runway.
815 ActiveRunwayVecIterator rwy = activeRunways.begin();
816 if (activeRunways.size()) {
817 while (rwy != activeRunways.end()) {
818 if (rwy->getRunwayName() == intendedRoute->getRunway()) {
824 if (rwy == activeRunways.end()) {
825 ActiveRunway aRwy(intendedRoute->getRunway(), id);
826 aRwy.addToDepartureCue(ref);
827 activeRunways.push_back(aRwy);
828 rwy = (activeRunways.end()-1);
830 rwy->addToDepartureCue(ref);
833 //cerr << ref->getTrafficRef()->getCallSign() << " You are number " << rwy->getDepartureCueSize() << " for takeoff " << endl;
835 i->setPositionAndHeading(lat, lon, heading, speed, alt);
839 void FGTowerController::updateAircraftInformation(int id, double lat, double lon,
840 double heading, double speed, double alt,
843 TrafficVectorIterator i = activeTraffic.begin();
844 // Search whether the current id has an entry
845 // This might be faster using a map instead of a vector, but let's start by taking a safe route
846 TrafficVectorIterator current, closest;
847 if (activeTraffic.size()) {
848 //while ((i->getId() != id) && i != activeTraffic.end()) {
849 while (i != activeTraffic.end()) {
850 if (i->getId() == id) {
856 // // update position of the current aircraft
857 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
858 SG_LOG(SG_GENERAL, SG_ALERT,
859 "AI error: updating aircraft without traffic record");
861 i->setPositionAndHeading(lat, lon, heading, speed, alt);
866 // see if we already have a clearance record for the currently active runway
867 // NOTE: dd. 2011-08-07: Because the active runway has been constructed in the announcePosition function, we may safely assume that is
868 // already exists here. So, we can simplify the current code.
869 ActiveRunwayVecIterator rwy = activeRunways.begin();
870 while (rwy != activeRunways.end()) {
871 if (rwy->getRunwayName() == current->getRunway()) {
877 // only bother running the following code if the current aircraft is the
878 // first in line for depature
879 /* if (current->getAircraft() == rwy->getFirstAircraftInDepartureCue()) {
880 if (rwy->getCleared()) {
881 if (id == rwy->getCleared()) {
882 current->setHoldPosition(false);
884 current->setHoldPosition(true);
887 // For now. At later stages, this will probably be the place to check for inbound traffc.
891 // only bother with aircraft that have a takeoff status of 2, since those are essentially under tower control
892 if (current->getAircraft()->getTakeOffStatus() == 2) {
893 current->setHoldPosition(true);
894 int clearanceId = rwy->getCleared();
896 if (id == clearanceId) {
897 current->setHoldPosition(false);
900 if (current->getAircraft() == rwy->getFirstAircraftInDepartureCue()) {
908 void FGTowerController::signOff(int id)
910 TrafficVectorIterator i = activeTraffic.begin();
911 // Search search if the current id alread has an entry
912 // This might be faster using a map instead of a vector, but let's start by taking a safe route
913 if (activeTraffic.size()) {
914 //while ((i->getId() != id) && i != activeTraffic.end()) {
915 while (i != activeTraffic.end()) {
916 if (i->getId() == id) {
922 // If this aircraft has left the runway, we can clear the departure record for this runway
923 ActiveRunwayVecIterator rwy = activeRunways.begin();
924 if (activeRunways.size()) {
925 //while ((rwy->getRunwayName() != i->getRunway()) && (rwy != activeRunways.end())) {
926 while (rwy != activeRunways.end()) {
927 if (rwy->getRunwayName() == i->getRunway()) {
932 if (rwy != activeRunways.end()) {
934 rwy->updateDepartureCue();
936 SG_LOG(SG_GENERAL, SG_ALERT,
937 "AI error: Attempting to erase non-existing runway clearance record in FGTowerController::signoff");
940 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
941 SG_LOG(SG_GENERAL, SG_ALERT,
942 "AI error: Aircraft without traffic record is signing off from tower");
944 i->getAircraft()->resetTakeOffStatus();
945 i = activeTraffic.erase(i);
946 //cerr << "Signing off from tower controller" << endl;
951 // IF WE MAKE TRAFFICRECORD A MEMBER OF THE BASE CLASS
952 // THE FOLLOWING THREE FUNCTIONS: SIGNOFF, HAS INSTRUCTION AND GETINSTRUCTION CAN
953 // BECOME DEVIRTUALIZED AND BE A MEMBER OF THE BASE ATCCONTROLLER CLASS
954 // WHICH WOULD SIMPLIFY CODE MAINTENANCE.
955 // Note that this function is probably obsolete
956 bool FGTowerController::hasInstruction(int id)
958 TrafficVectorIterator i = activeTraffic.begin();
959 // Search search if the current id has an entry
960 // This might be faster using a map instead of a vector, but let's start by taking a safe route
961 if (activeTraffic.size()) {
962 //while ((i->getId() != id) && i != activeTraffic.end()) {
963 while (i != activeTraffic.end()) {
964 if (i->getId() == id) {
970 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
971 SG_LOG(SG_GENERAL, SG_ALERT,
972 "AI error: checking ATC instruction for aircraft without traffic record");
974 return i->hasInstruction();
980 FGATCInstruction FGTowerController::getInstruction(int id)
982 TrafficVectorIterator i = activeTraffic.begin();
983 // Search search if the current id has an entry
984 // This might be faster using a map instead of a vector, but let's start by taking a safe route
985 if (activeTraffic.size()) {
986 //while ((i->getId() != id) && i != activeTraffic.end()) {
987 while (i != activeTraffic.end()) {
988 if (i->getId() == id) {
994 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
995 SG_LOG(SG_GENERAL, SG_ALERT,
996 "AI error: requesting ATC instruction for aircraft without traffic record");
998 return i->getInstruction();
1000 return FGATCInstruction();
1003 void FGTowerController::render(bool visible) {
1004 //cerr << "FGTowerController::render function not yet implemented" << endl;
1007 string FGTowerController::getName() {
1008 return string(parent->getId() + "-tower");
1013 /***************************************************************************
1014 * class FGStartupController
1016 **************************************************************************/
1017 FGStartupController::FGStartupController(FGAirportDynamics *par):
1023 void FGStartupController::announcePosition(int id,
1024 FGAIFlightPlan * intendedRoute,
1025 int currentPosition, double lat,
1026 double lon, double heading,
1027 double speed, double alt,
1028 double radius, int leg,
1032 TrafficVectorIterator i = activeTraffic.begin();
1033 // Search whether the current id alread has an entry
1034 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1035 if (activeTraffic.size()) {
1036 //while ((i->getId() != id) && i != activeTraffic.end()) {
1037 while (i != activeTraffic.end()) {
1038 if (i->getId() == id) {
1044 // Add a new TrafficRecord if no one exsists for this aircraft.
1045 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1046 FGTrafficRecord rec;
1049 rec.setPositionAndHeading(lat, lon, heading, speed, alt);
1050 rec.setRunway(intendedRoute->getRunway());
1052 rec.setPositionAndIntentions(currentPosition, intendedRoute);
1053 //rec.setCallSign(callsign);
1054 rec.setAircraft(ref);
1055 rec.setHoldPosition(true);
1056 activeTraffic.push_back(rec);
1058 i->setPositionAndIntentions(currentPosition, intendedRoute);
1059 i->setPositionAndHeading(lat, lon, heading, speed, alt);
1065 // IF WE MAKE TRAFFICRECORD A MEMBER OF THE BASE CLASS
1066 // THE FOLLOWING THREE FUNCTIONS: SIGNOFF, HAS INSTRUCTION AND GETINSTRUCTION CAN
1067 // BECOME DEVIRTUALIZED AND BE A MEMBER OF THE BASE ATCCONTROLLER CLASS
1068 // WHICH WOULD SIMPLIFY CODE MAINTENANCE.
1069 // Note that this function is probably obsolete
1070 bool FGStartupController::hasInstruction(int id)
1072 TrafficVectorIterator i = activeTraffic.begin();
1073 // Search search if the current id has an entry
1074 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1075 if (activeTraffic.size()) {
1076 //while ((i->getId() != id) && i != activeTraffic.end()) {
1077 while (i != activeTraffic.end()) {
1078 if (i->getId() == id) {
1084 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1085 SG_LOG(SG_GENERAL, SG_ALERT,
1086 "AI error: checking ATC instruction for aircraft without traffic record");
1088 return i->hasInstruction();
1094 FGATCInstruction FGStartupController::getInstruction(int id)
1096 TrafficVectorIterator i = activeTraffic.begin();
1097 // Search search if the current id has an entry
1098 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1099 if (activeTraffic.size()) {
1100 //while ((i->getId() != id) && i != activeTraffic.end()) {
1101 while (i != activeTraffic.end()) {
1102 if (i->getId() == id) {
1108 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1109 SG_LOG(SG_GENERAL, SG_ALERT,
1110 "AI error: requesting ATC instruction for aircraft without traffic record");
1112 return i->getInstruction();
1114 return FGATCInstruction();
1117 void FGStartupController::signOff(int id)
1119 TrafficVectorIterator i = activeTraffic.begin();
1120 // Search search if the current id alread has an entry
1121 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1122 if (activeTraffic.size()) {
1123 //while ((i->getId() != id) && i != activeTraffic.end()) {
1124 while (i != activeTraffic.end()) {
1125 if (i->getId() == id) {
1131 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1132 SG_LOG(SG_GENERAL, SG_ALERT,
1133 "AI error: Aircraft without traffic record is signing off from tower");
1135 //cerr << i->getAircraft()->getCallSign() << " signing off from startupcontroller" << endl;
1136 i = activeTraffic.erase(i);
1140 bool FGStartupController::checkTransmissionState(int st, time_t now, time_t startTime, TrafficVectorIterator i, AtcMsgId msgId,
1143 int state = i->getState();
1144 if ((state == st) && available) {
1145 if ((msgDir == ATC_AIR_TO_GROUND) && isUserAircraft(i->getAircraft())) {
1147 //cerr << "Checking state " << st << " for " << i->getAircraft()->getCallSign() << endl;
1148 static SGPropertyNode_ptr trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
1149 int n = trans_num->getIntValue();
1151 trans_num->setIntValue(-1);
1152 // PopupCallback(n);
1153 //cerr << "Selected transmission message " << n << endl;
1154 FGATCManager *atc = (FGATCManager*) globals->get_subsystem("atc");
1155 atc->getATCDialog()->removeEntry(1);
1157 //cerr << "creading message for " << i->getAircraft()->getCallSign() << endl;
1158 transmit(&(*i), msgId, msgDir, false);
1162 if (now > startTime) {
1163 //cerr << "Transmitting startup msg" << endl;
1164 transmit(&(*i), msgId, msgDir, true);
1166 lastTransmission = now;
1174 void FGStartupController::updateAircraftInformation(int id, double lat, double lon,
1175 double heading, double speed, double alt,
1178 TrafficVectorIterator i = activeTraffic.begin();
1179 // Search search if the current id has an entry
1180 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1181 TrafficVectorIterator current, closest;
1182 if (activeTraffic.size()) {
1183 //while ((i->getId() != id) && i != activeTraffic.end()) {
1184 while (i != activeTraffic.end()) {
1185 if (i->getId() == id) {
1191 // // update position of the current aircraft
1193 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1194 SG_LOG(SG_GENERAL, SG_ALERT,
1195 "AI error: updating aircraft without traffic record");
1197 i->setPositionAndHeading(lat, lon, heading, speed, alt);
1200 setDt(getDt() + dt);
1202 int state = i->getState();
1204 // The user controlled aircraft should have crased here, because it doesn't have a traffic reference.
1205 // NOTE: if we create a traffic schedule for the user aircraft, we can use this to plan a flight.
1206 time_t startTime = i->getAircraft()->getTrafficRef()->getDepartureTime();
1207 time_t now = time(NULL) + fgGetLong("/sim/time/warp");
1208 //cerr << i->getAircraft()->getTrafficRef()->getCallSign()
1209 // << " is scheduled to depart in " << startTime-now << " seconds. Available = " << available
1210 // << " at parking " << getGateName(i->getAircraft()) << endl;
1212 if ((now - lastTransmission) > 3 + (rand() % 15)) {
1216 checkTransmissionState(0, now, (startTime + 0 ), i, MSG_ANNOUNCE_ENGINE_START, ATC_AIR_TO_GROUND);
1217 checkTransmissionState(1, now, (startTime + 60 ), i, MSG_REQUEST_ENGINE_START, ATC_AIR_TO_GROUND);
1218 checkTransmissionState(2, now, (startTime + 80 ), i, MSG_PERMIT_ENGINE_START, ATC_GROUND_TO_AIR);
1219 checkTransmissionState(3, now, (startTime + 100), i, MSG_ACKNOWLEDGE_ENGINE_START, ATC_AIR_TO_GROUND);
1220 if (checkTransmissionState(4, now, (startTime + 130), i, MSG_ACKNOWLEDGE_SWITCH_GROUND_FREQUENCY, ATC_AIR_TO_GROUND)) {
1223 checkTransmissionState(5, now, (startTime + 140), i, MSG_INITIATE_CONTACT, ATC_AIR_TO_GROUND);
1224 checkTransmissionState(6, now, (startTime + 150), i, MSG_ACKNOWLEDGE_INITIATE_CONTACT, ATC_GROUND_TO_AIR);
1225 checkTransmissionState(7, now, (startTime + 180), i, MSG_REQUEST_PUSHBACK_CLEARANCE, ATC_AIR_TO_GROUND);
1229 if ((state == 8) && available) {
1230 if (now > startTime + 200) {
1231 if (i->pushBackAllowed()) {
1232 i->allowRepeatedTransmissions();
1233 transmit(&(*i), MSG_PERMIT_PUSHBACK_CLEARANCE,
1234 ATC_GROUND_TO_AIR, true);
1237 transmit(&(*i), MSG_HOLD_PUSHBACK_CLEARANCE,
1238 ATC_GROUND_TO_AIR, true);
1239 i->suppressRepeatedTransmissions();
1241 lastTransmission = now;
1245 if ((state == 9) && available) {
1246 i->setHoldPosition(false);
1250 // Note that this function is copied from simgear. for maintanance purposes, it's probabtl better to make a general function out of that.
1251 static void WorldCoordinate(osg::Matrix& obj_pos, double lat,
1252 double lon, double elev, double hdg)
1254 SGGeod geod = SGGeod::fromDegM(lon, lat, elev);
1255 obj_pos = geod.makeZUpFrame();
1256 // hdg is not a compass heading, but a counter-clockwise rotation
1257 // around the Z axis
1258 obj_pos.preMult(osg::Matrix::rotate(hdg * SGD_DEGREES_TO_RADIANS,
1263 void FGStartupController::render(bool visible)
1266 SGMaterialLib *matlib = globals->get_matlib();
1269 globals->get_scenery()->get_scene_graph()->removeChild(group);
1270 //while (group->getNumChildren()) {
1271 // cerr << "Number of children: " << group->getNumChildren() << endl;
1272 simgear::EffectGeode* geode = (simgear::EffectGeode*) group->getChild(0);
1273 //osg::MatrixTransform *obj_trans = (osg::MatrixTransform*) group->getChild(0);
1274 //geode->releaseGLObjects();
1275 //group->removeChild(geode);
1280 group = new osg::Group;
1282 //for ( FGTaxiSegmentVectorIterator i = segments.begin(); i != segments.end(); i++) {
1284 for (TrafficVectorIterator i = activeTraffic.begin(); i != activeTraffic.end(); i++) {
1285 // Handle start point
1286 int pos = i->getCurrentPosition();
1287 //cerr << "rendering for " << i->getAircraft()->getCallSign() << "pos = " << pos << endl;
1289 FGTaxiSegment *segment = parent->getGroundNetwork()->findSegment(pos);
1290 SGGeod start(SGGeod::fromDeg((i->getLongitude()), (i->getLatitude())));
1291 SGGeod end (SGGeod::fromDeg(segment->getEnd()->getLongitude(), segment->getEnd()->getLatitude()));
1293 double length = SGGeodesy::distanceM(start, end);
1294 //heading = SGGeodesy::headingDeg(start->getGeod(), end->getGeod());
1296 double az2, heading; //, distanceM;
1297 SGGeodesy::inverse(start, end, heading, az2, length);
1298 double coveredDistance = length * 0.5;
1300 SGGeodesy::direct(start, heading, coveredDistance, center, az2);
1301 //cerr << "Active Aircraft : Centerpoint = (" << center.getLatitudeDeg() << ", " << center.getLongitudeDeg() << "). Heading = " << heading << endl;
1302 ///////////////////////////////////////////////////////////////////////////////
1303 // Make a helper function out of this
1304 osg::Matrix obj_pos;
1305 osg::MatrixTransform *obj_trans = new osg::MatrixTransform;
1306 obj_trans->setDataVariance(osg::Object::STATIC);
1308 WorldCoordinate( obj_pos, center.getLatitudeDeg(), center.getLongitudeDeg(), parent->getElevation()+8+dx, -(heading) );
1310 obj_trans->setMatrix( obj_pos );
1311 //osg::Vec3 center(0, 0, 0)
1313 float width = length /2.0;
1314 osg::Vec3 corner(-width, 0, 0.25f);
1315 osg::Vec3 widthVec(2*width + 1, 0, 0);
1316 osg::Vec3 heightVec(0, 1, 0);
1317 osg::Geometry* geometry;
1318 geometry = osg::createTexturedQuadGeometry(corner, widthVec, heightVec);
1319 simgear::EffectGeode* geode = new simgear::EffectGeode;
1320 geode->setName("test");
1321 geode->addDrawable(geometry);
1322 //osg::Node *custom_obj;
1323 SGMaterial *mat = matlib->find("UnidirectionalTaper");
1325 geode->setEffect(mat->get_effect());
1326 obj_trans->addChild(geode);
1327 // wire as much of the scene graph together as we can
1328 //->addChild( obj_trans );
1329 group->addChild( obj_trans );
1330 /////////////////////////////////////////////////////////////////////
1332 //cerr << "BIG FAT WARNING: current position is here : " << pos << endl;
1334 for(intVecIterator j = (i)->getIntentions().begin(); j != (i)->getIntentions().end(); j++) {
1335 osg::Matrix obj_pos;
1338 //cerr << "rendering for " << i->getAircraft()->getCallSign() << "intention = " << k << endl;
1339 osg::MatrixTransform *obj_trans = new osg::MatrixTransform;
1340 obj_trans->setDataVariance(osg::Object::STATIC);
1341 FGTaxiSegment *segment = parent->getGroundNetwork()->findSegment(k);
1342 WorldCoordinate( obj_pos, segment->getLatitude(), segment->getLongitude(), parent->getElevation()+8+dx, -(segment->getHeading()) );
1344 obj_trans->setMatrix( obj_pos );
1345 //osg::Vec3 center(0, 0, 0)
1347 float width = segment->getLength() /2.0;
1348 osg::Vec3 corner(-width, 0, 0.25f);
1349 osg::Vec3 widthVec(2*width + 1, 0, 0);
1350 osg::Vec3 heightVec(0, 1, 0);
1351 osg::Geometry* geometry;
1352 geometry = osg::createTexturedQuadGeometry(corner, widthVec, heightVec);
1353 simgear::EffectGeode* geode = new simgear::EffectGeode;
1354 geode->setName("test");
1355 geode->addDrawable(geometry);
1356 //osg::Node *custom_obj;
1357 SGMaterial *mat = matlib->find("UnidirectionalTaper");
1359 geode->setEffect(mat->get_effect());
1360 obj_trans->addChild(geode);
1361 // wire as much of the scene graph together as we can
1362 //->addChild( obj_trans );
1363 group->addChild( obj_trans );
1365 //cerr << "BIG FAT WARNING: k is here : " << pos << endl;
1370 globals->get_scenery()->get_scene_graph()->addChild(group);
1374 string FGStartupController::getName() {
1375 return string(parent->getId() + "-startup");
1379 /***************************************************************************
1380 * class FGApproachController
1382 **************************************************************************/
1383 FGApproachController::FGApproachController(FGAirportDynamics *par):
1390 void FGApproachController::announcePosition(int id,
1391 FGAIFlightPlan * intendedRoute,
1392 int currentPosition,
1393 double lat, double lon,
1394 double heading, double speed,
1395 double alt, double radius,
1396 int leg, FGAIAircraft * ref)
1399 TrafficVectorIterator i = activeTraffic.begin();
1400 // Search whether the current id alread has an entry
1401 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1402 if (activeTraffic.size()) {
1403 //while ((i->getId() != id) && i != activeTraffic.end()) {
1404 while (i != activeTraffic.end()) {
1405 if (i->getId() == id) {
1411 // Add a new TrafficRecord if no one exsists for this aircraft.
1412 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1413 FGTrafficRecord rec;
1416 rec.setPositionAndHeading(lat, lon, heading, speed, alt);
1417 rec.setRunway(intendedRoute->getRunway());
1419 //rec.setCallSign(callsign);
1420 rec.setAircraft(ref);
1421 activeTraffic.push_back(rec);
1423 i->setPositionAndHeading(lat, lon, heading, speed, alt);
1427 void FGApproachController::updateAircraftInformation(int id, double lat, double lon,
1428 double heading, double speed, double alt,
1431 TrafficVectorIterator i = activeTraffic.begin();
1432 // Search search if the current id has an entry
1433 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1434 TrafficVectorIterator current, closest;
1435 if (activeTraffic.size()) {
1436 //while ((i->getId() != id) && i != activeTraffic.end()) {
1437 while (i != activeTraffic.end()) {
1438 if (i->getId() == id) {
1444 // // update position of the current aircraft
1445 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1446 SG_LOG(SG_GENERAL, SG_ALERT,
1447 "AI error: updating aircraft without traffic record");
1449 i->setPositionAndHeading(lat, lon, heading, speed, alt);
1451 //cerr << "ApproachController: checking for speed" << endl;
1453 current->getAircraft()->
1454 checkForArrivalTime(string("final001"));
1455 if (time_diff > 15) {
1456 current->setSpeedAdjustment(current->getAircraft()->
1457 getPerformance()->vDescent() *
1459 } else if (time_diff > 5) {
1460 current->setSpeedAdjustment(current->getAircraft()->
1461 getPerformance()->vDescent() *
1463 } else if (time_diff < -15) {
1464 current->setSpeedAdjustment(current->getAircraft()->
1465 getPerformance()->vDescent() *
1467 } else if (time_diff < -5) {
1468 current->setSpeedAdjustment(current->getAircraft()->
1469 getPerformance()->vDescent() *
1472 current->clearSpeedAdjustment();
1474 //current->setSpeedAdjustment(current->getAircraft()->getPerformance()->vDescent() + time_diff);
1476 setDt(getDt() + dt);
1479 void FGApproachController::signOff(int id)
1481 TrafficVectorIterator i = activeTraffic.begin();
1482 // Search search if the current id alread has an entry
1483 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1484 if (activeTraffic.size()) {
1485 //while ((i->getId() != id) && i != activeTraffic.end()) {
1486 while (i != activeTraffic.end()) {
1487 if (i->getId() == id) {
1493 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1494 SG_LOG(SG_GENERAL, SG_ALERT,
1495 "AI error: Aircraft without traffic record is signing off from approach");
1497 i = activeTraffic.erase(i);
1504 bool FGApproachController::hasInstruction(int id)
1506 TrafficVectorIterator i = activeTraffic.begin();
1507 // Search search if the current id has an entry
1508 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1509 if (activeTraffic.size()) {
1510 //while ((i->getId() != id) && i != activeTraffic.end()) {
1511 while (i != activeTraffic.end()) {
1512 if (i->getId() == id) {
1518 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1519 SG_LOG(SG_GENERAL, SG_ALERT,
1520 "AI error: checking ATC instruction for aircraft without traffic record");
1522 return i->hasInstruction();
1528 FGATCInstruction FGApproachController::getInstruction(int id)
1530 TrafficVectorIterator i = activeTraffic.begin();
1531 // Search search if the current id has an entry
1532 // This might be faster using a map instead of a vector, but let's start by taking a safe route
1533 if (activeTraffic.size()) {
1534 //while ((i->getId() != id) && i != activeTraffic.end()) {
1535 while (i != activeTraffic.end()) {
1536 if (i->getId() == id) {
1542 if (i == activeTraffic.end() || (activeTraffic.size() == 0)) {
1543 SG_LOG(SG_GENERAL, SG_ALERT,
1544 "AI error: requesting ATC instruction for aircraft without traffic record");
1546 return i->getInstruction();
1548 return FGATCInstruction();
1552 ActiveRunway *FGApproachController::getRunway(string name)
1554 ActiveRunwayVecIterator rwy = activeRunways.begin();
1555 if (activeRunways.size()) {
1556 while (rwy != activeRunways.end()) {
1557 if (rwy->getRunwayName() == name) {
1563 if (rwy == activeRunways.end()) {
1564 ActiveRunway aRwy(name, 0);
1565 activeRunways.push_back(aRwy);
1566 rwy = activeRunways.end() - 1;
1571 void FGApproachController::render(bool visible) {
1572 //cerr << "FGApproachController::render function not yet implemented" << endl;
1577 string FGApproachController::getName() {
1578 return string(parent->getId() + "-approach");